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Finding the Fourth Proportional to 1,444.44, 2,163.34 and 866.04

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Solution

The fourth proportional to 1,444.44, 2,163.34 and 866.04 is: 1,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.44 : 2,163.34 = 866.04 : x
  2. Step 2: Convert to fraction form
    1,444.44/2,163.34 = 866.04/x
  3. Step 3: Cross multiply
    1,444.44x = 2,163.34 × 866.04
  4. Step 4: Simplify right side
    1,444.44x = 1,873,538.97
  5. Step 5: Solve for x
    x = 1,873,538.97/1,444.44
  6. Step 6: Final answer
    x = 1,297.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.